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| author | David Sterba <dsterba@suse.cz> | 2014-07-31 00:51:36 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2014-10-02 17:30:32 +0200 |
| commit | a50924e3a4d7fccb0ecfbd42a4c7ed6e56ee1765 (patch) | |
| tree | 00b37163c433ba8851df27120ef2a79859bc9008 /fs/btrfs/extent_io.c | |
| parent | 2755a0de64693501741fb3603cd8ca928b0b7e81 (diff) | |
| download | lwn-a50924e3a4d7fccb0ecfbd42a4c7ed6e56ee1765.tar.gz lwn-a50924e3a4d7fccb0ecfbd42a4c7ed6e56ee1765.zip | |
btrfs: drop constant param from btrfs_release_extent_buffer_page
All callers use the same value, simplify the function.
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 78229007f99e..638e1a5b00e2 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4450,19 +4450,16 @@ int extent_buffer_under_io(struct extent_buffer *eb) /* * Helper for releasing extent buffer page. */ -static void btrfs_release_extent_buffer_page(struct extent_buffer *eb, - unsigned long start_idx) +static void btrfs_release_extent_buffer_page(struct extent_buffer *eb) { unsigned long index; - unsigned long num_pages; struct page *page; int mapped = !test_bit(EXTENT_BUFFER_DUMMY, &eb->bflags); BUG_ON(extent_buffer_under_io(eb)); - num_pages = num_extent_pages(eb->start, eb->len); - index = start_idx + num_pages; - if (start_idx >= index) + index = num_extent_pages(eb->start, eb->len); + if (index == 0) return; do { @@ -4498,7 +4495,7 @@ static void btrfs_release_extent_buffer_page(struct extent_buffer *eb, /* One for when we alloced the page */ page_cache_release(page); } - } while (index != start_idx); + } while (index != 0); } /* @@ -4506,7 +4503,7 @@ static void btrfs_release_extent_buffer_page(struct extent_buffer *eb, */ static inline void btrfs_release_extent_buffer(struct extent_buffer *eb) { - btrfs_release_extent_buffer_page(eb, 0); + btrfs_release_extent_buffer_page(eb); __free_extent_buffer(eb); } @@ -4863,7 +4860,7 @@ static int release_extent_buffer(struct extent_buffer *eb) } /* Should be safe to release our pages at this point */ - btrfs_release_extent_buffer_page(eb, 0); + btrfs_release_extent_buffer_page(eb); call_rcu(&eb->rcu_head, btrfs_release_extent_buffer_rcu); return 1; } |